diff --git a/components/tcp_transport/transport_ssl.c b/components/tcp_transport/transport_ssl.c index cf8a1fda32..cafe5173d9 100644 --- a/components/tcp_transport/transport_ssl.c +++ b/components/tcp_transport/transport_ssl.c @@ -80,24 +80,48 @@ static int ssl_connect(esp_transport_handle_t t, const char *host, int port, int static int ssl_poll_read(esp_transport_handle_t t, int timeout_ms) { transport_ssl_t *ssl = esp_transport_get_context_data(t); + int ret = -1; fd_set readset; + fd_set errset; FD_ZERO(&readset); + FD_ZERO(&errset); FD_SET(ssl->tls->sockfd, &readset); + FD_SET(ssl->tls->sockfd, &errset); struct timeval timeout; esp_transport_utils_ms_to_timeval(timeout_ms, &timeout); - return select(ssl->tls->sockfd + 1, &readset, NULL, NULL, &timeout); + ret = select(ssl->tls->sockfd + 1, &readset, NULL, &errset, &timeout); + if (ret > 0 && FD_ISSET(ssl->tls->sockfd, &errset)) { + int sock_errno = 0; + uint32_t optlen = sizeof(sock_errno); + getsockopt(ssl->tls->sockfd, SOL_SOCKET, SO_ERROR, &sock_errno, &optlen); + ESP_LOGE(TAG, "Poll read catch a error, errno = %s, fd = %d", strerror(sock_errno), ssl->tls->sockfd); + ret = -1; + } + return ret; } static int ssl_poll_write(esp_transport_handle_t t, int timeout_ms) { transport_ssl_t *ssl = esp_transport_get_context_data(t); + int ret = -1; fd_set writeset; + fd_set errset; FD_ZERO(&writeset); + FD_ZERO(&errset); FD_SET(ssl->tls->sockfd, &writeset); + FD_SET(ssl->tls->sockfd, &errset); struct timeval timeout; esp_transport_utils_ms_to_timeval(timeout_ms, &timeout); - return select(ssl->tls->sockfd + 1, NULL, &writeset, NULL, &timeout); + ret = select(ssl->tls->sockfd + 1, NULL, &writeset, &errset, &timeout); + if (ret > 0 && FD_ISSET(ssl->tls->sockfd, &errset)) { + int sock_errno = 0; + uint32_t optlen = sizeof(sock_errno); + getsockopt(ssl->tls->sockfd, SOL_SOCKET, SO_ERROR, &sock_errno, &optlen); + ESP_LOGE(TAG, "Poll write catch a error, errno = %s, fd = %d", strerror(sock_errno), ssl->tls->sockfd); + ret = -1; + } + return ret; } static int ssl_write(esp_transport_handle_t t, const char *buffer, int len, int timeout_ms) diff --git a/components/tcp_transport/transport_tcp.c b/components/tcp_transport/transport_tcp.c index ff6925b2d1..3d6e3032d6 100644 --- a/components/tcp_transport/transport_tcp.c +++ b/components/tcp_transport/transport_tcp.c @@ -115,23 +115,47 @@ static int tcp_read(esp_transport_handle_t t, char *buffer, int len, int timeout static int tcp_poll_read(esp_transport_handle_t t, int timeout_ms) { transport_tcp_t *tcp = esp_transport_get_context_data(t); + int ret = -1; fd_set readset; + fd_set errset; FD_ZERO(&readset); + FD_ZERO(&errset); FD_SET(tcp->sock, &readset); + FD_SET(tcp->sock, &errset); struct timeval timeout; esp_transport_utils_ms_to_timeval(timeout_ms, &timeout); - return select(tcp->sock + 1, &readset, NULL, NULL, &timeout); + ret = select(tcp->sock + 1, &readset, NULL, &errset, &timeout); + if (ret > 0 && FD_ISSET(tcp->sock, &errset)) { + int sock_errno = 0; + uint32_t optlen = sizeof(sock_errno); + getsockopt(tcp->sock, SOL_SOCKET, SO_ERROR, &sock_errno, &optlen); + ESP_LOGE(TAG, "Poll read catch a error, errno = %s, fd = %d", strerror(sock_errno), tcp->sock); + ret = -1; + } + return ret; } static int tcp_poll_write(esp_transport_handle_t t, int timeout_ms) { transport_tcp_t *tcp = esp_transport_get_context_data(t); + int ret = -1; fd_set writeset; + fd_set errset; FD_ZERO(&writeset); + FD_ZERO(&errset); FD_SET(tcp->sock, &writeset); + FD_SET(tcp->sock, &errset); struct timeval timeout; esp_transport_utils_ms_to_timeval(timeout_ms, &timeout); - return select(tcp->sock + 1, NULL, &writeset, NULL, &timeout); + ret = select(tcp->sock + 1, NULL, &writeset, &errset, &timeout); + if (ret > 0 && FD_ISSET(tcp->sock, &errset)) { + int sock_errno = 0; + uint32_t optlen = sizeof(sock_errno); + getsockopt(tcp->sock, SOL_SOCKET, SO_ERROR, &sock_errno, &optlen); + ESP_LOGE(TAG, "Poll write catch a error, errno = %s, fd = %d", strerror(sock_errno), tcp->sock); + ret = -1; + } + return ret; } static int tcp_close(esp_transport_handle_t t)